ligule

1. These data suggest the ligule and interradial multilamellate region appeared prior to heterospory.
   这些资料表明叶舌和辐间的多层区似乎早于异孢性。
2. Preliminary Observation on Inheritance of Auricle and Ligule Colour Variance of Wheat by Introduction of Barley DNA
   大麦DNA导入小麦引起叶耳颜色变异的遗传学初步观察
3. According to the different growth periods over rice field, the experiment was conducted by bagging treatment when the ligule of flag leaf and the top second leaf are just of overlapping.
   本试验主要通过根据水稻不同生长期的特征，在水稻箭叶与倒二叶叶舌齐平时套袋处理。

noun

1. (botany) any appendage to a plant that is shaped like a strap